<?php

/*
	Question2Answer (c) Gideon Greenspan

	http://www.question2answer.org/

	
	File: qa-include/qa-page-favorites.php
	Version: See define()s at top of qa-include/qa-base.php
	Description: Controller for page listing user's favorites


	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.
	
	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	More about this license: http://www.question2answer.org/license.php
*/

if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser
    header('Location: ../');
    exit;
}

require_once QA_INCLUDE_DIR . 'qa-db-selects.php';
require_once QA_INCLUDE_DIR . 'qa-app-format.php';


//	Check that we're logged in

$userid = qa_get_logged_in_userid();

if (!isset($userid))
    qa_redirect('login');


//	Get lists of favorites for this user

list($questions, $users, $tags, $categories) = qa_db_select_with_pending(
    qa_db_user_favorite_qs_selectspec($userid),
    QA_FINAL_EXTERNAL_USERS ? null : qa_db_user_favorite_users_selectspec($userid),
    qa_db_user_favorite_tags_selectspec($userid),
    qa_db_user_favorite_categories_selectspec($userid)
);

$usershtml = qa_userids_handles_html(QA_FINAL_EXTERNAL_USERS ? $questions : array_merge($questions, $users));


//	Prepare and return content for theme

$qa_content = qa_content_prepare(true);

$qa_content['title'] = qa_lang_html('misc/my_favorites_title');


//	Favorite questions

$qa_content['q_list'] = array(
    'title' => count($questions) ? qa_lang_html('main/nav_qs') : qa_lang_html('misc/no_favorite_qs'),

    'qs' => array(),
);

if (count($questions)) {
    $qa_content['q_list']['form'] = array(
        'tags' => 'method="post" action="' . qa_self_html() . '"',

        'hidden' => array(
            'code' => qa_get_form_security_code('vote'),
        ),
    );

    $defaults = qa_post_html_defaults('Q');

    foreach ($questions as $question)
        $qa_content['q_list']['qs'][] = qa_post_html_fields($question, $userid, qa_cookie_get(),
            $usershtml, null, qa_post_html_options($question, $defaults));
}


//	Favorite users

if (!QA_FINAL_EXTERNAL_USERS) {
    $qa_content['ranking_users'] = array(
        'title' => count($users) ? qa_lang_html('main/nav_users') : qa_lang_html('misc/no_favorite_users'),
        'items' => array(),
        'rows' => ceil(count($users) / qa_opt('columns_users')),
        'type' => 'users'
    );

    foreach ($users as $user)
        $qa_content['ranking_users']['items'][] = array(
            'label' => qa_get_user_avatar_html($user['flags'], $user['email'], $user['handle'],
                $user['avatarblobid'], $user['avatarwidth'], $user['avatarheight'], qa_opt('avatar_users_size'), true) . ' ' . $usershtml[$user['userid']],
            'score' => qa_html(number_format($user['points'])),
        );
}


//	Favorite tags

if (qa_using_tags()) {
    $qa_content['ranking_tags'] = array(
        'title' => count($tags) ? qa_lang_html('main/nav_tags') : qa_lang_html('misc/no_favorite_tags'),
        'items' => array(),
        'rows' => ceil(count($tags) / qa_opt('columns_tags')),
        'type' => 'tags'
    );

    foreach ($tags as $tag)
        $qa_content['ranking_tags']['items'][] = array(
            'label' => qa_tag_html($tag['word'], false, true),
            'count' => number_format($tag['tagcount']),
        );
}


//	Favorite categories

if (qa_using_categories()) {
    $qa_content['nav_list_categories'] = array(
        'title' => count($categories) ? qa_lang_html('main/nav_categories') : qa_lang_html('misc/no_favorite_categories'),
        'nav' => array(),
        'type' => 'browse-cat',
    );

    foreach ($categories as $category)
        $qa_content['nav_list_categories']['nav'][$category['categoryid']] = array(
            'label' => qa_html($category['title']),
            'state' => 'open',
            'favorited' => true,
            'note' => ' - <a href="' . qa_path_html('questions/' . implode('/', array_reverse(explode('/', $category['backpath'])))) . '">' .
                (($category['qcount'] == 1)
                    ? qa_lang_html_sub('main/1_question', '1', '1')
                    : qa_lang_html_sub('main/x_questions', number_format($category['qcount']))
                ) . '</a>' .
                (strlen($category['content']) ? qa_html(' - ' . $category['content']) : ''),
        );
}


//	Sub navigation for account pages and suggestion

$qa_content['suggest_next'] = qa_lang_html_sub('misc/suggest_favorites_add', '<span class="qa-favorite-image">&nbsp;</span>');

if (!QA_FINAL_EXTERNAL_USERS)
    $qa_content['navigation']['sub'] = qa_account_sub_navigation();


return $qa_content;


/*
	Omit PHP closing tag to help avoid accidental output
*/